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/* ScummVM - Scumm Interpreter
* Copyright (C) 2006 The ScummVM project
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
* $URL$
* $Id$
*
*/
#ifndef PARALLACTION_DISK_H
#define PARALLACTION_DISK_H
#include "parallaction/defs.h"
#include "common/file.h"
namespace Parallaction {
//------------------------------------------------------
// ARCHIVE MANAGEMENT
//------------------------------------------------------
#define MAX_ARCHIVE_ENTRIES 384
#define DIRECTORY_OFFSET_IN_FILE 0x4000
class Archive : public Common::SeekableReadStream {
protected:
bool _file;
uint32 _fileOffset;
uint32 _fileCursor;
uint32 _fileEndOffset;
char _archiveDir[MAX_ARCHIVE_ENTRIES][32];
uint32 _archiveLenghts[MAX_ARCHIVE_ENTRIES];
uint32 _archiveOffsets[MAX_ARCHIVE_ENTRIES];
Common::File _archive;
protected:
void resetArchivedFile();
public:
Archive();
void open(const char *file);
void close();
bool openArchivedFile(const char *name);
void closeArchivedFile();
uint32 size() const;
uint32 pos() const;
bool eos() const;
void seek(int32 offs, int whence = SEEK_SET);
uint32 read(void *dataPtr, uint32 dataSize);
};
} // namespace Parallaction
#endif
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